Revision 2c04ae0d tools/kvm-ifup.in
b/tools/kvm-ifup.in | ||
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. |
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@SHELL_ENV_INIT@ |
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if [ -z "$INTERFACE" ]; then |
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echo "No network interface specified" |
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exit 1 |
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fi |
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if [ -z "$MODE" ]; then |
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echo "MODE not specified" |
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exit 1 |
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fi |
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source @PKGLIBDIR@/net-common |
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# Execute the user-supplied network script, if applicable |
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if [ -x "$CONF_DIR/kvm-vif-bridge" ]; then |
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exec $CONF_DIR/kvm-vif-bridge |
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fi |
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if [ "$MODE" = "bridged" ]; then |
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# Fix the autogenerated MAC to have the first octet set to "fe" |
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# to discourage the bridge from using the TAP dev's MAC |
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FIXED_MAC=$(ip link show $INTERFACE | \ |
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awk '{if ($1 == "link/ether") printf("fe%s",substr($2,3,15))}') |
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ip link set $INTERFACE address $FIXED_MAC |
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ip link set $INTERFACE up |
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ip link set $INTERFACE mtu $(</sys/class/net/${BRIDGE}/mtu) |
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# Connect the interface to the bridge |
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brctl addif $BRIDGE $INTERFACE |
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elif [ "$MODE" = "openvswitch" ]; then |
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ovs-vsctl add-port ${LINK} $INTERFACE |
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else |
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ip link set $INTERFACE up |
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if [ -z "$IP" ]; then |
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echo "Routed NIC but no IP address specified" |
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exit 1 |
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fi |
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# Route traffic targeted at the IP to the interface |
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if [ -n "$LINK" ]; then |
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while ip rule del dev $INTERFACE; do :; done |
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ip rule add dev $INTERFACE table $LINK |
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ip route replace $IP table $LINK proto static dev $INTERFACE |
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else |
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ip route replace $IP proto static dev $INTERFACE |
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fi |
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# Allow routing and arp proxying, or ndp proxying (IPv6) |
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if [ -d "/proc/sys/net/ipv4/conf/$INTERFACE" ]; then |
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echo 1 > /proc/sys/net/ipv4/conf/$INTERFACE/proxy_arp |
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echo 1 > /proc/sys/net/ipv4/conf/$INTERFACE/forwarding |
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fi |
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if [ -d "/proc/sys/net/ipv6/conf/$INTERFACE" ]; then |
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echo 1 > /proc/sys/net/ipv6/conf/$INTERFACE/proxy_ndp |
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echo 1 > /proc/sys/net/ipv6/conf/$INTERFACE/forwarding |
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fi |
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fi |
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check |
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setup_bridge |
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setup_ovs |
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setup_route |
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